/**
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements.  See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership.  The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with the License.  You may obtain
 * a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.zookeeper.server;

import org.apache.zookeeper.jmx.ZKMBeanInfo;

/**
 * This class implements the data tree MBean.
 */
public class DataTreeBean implements DataTreeMXBean, ZKMBeanInfo {
    DataTree dataTree;

    public DataTreeBean(org.apache.zookeeper.server.DataTree dataTree) {
        this.dataTree = dataTree;
    }

    @Override
    public int getNodeCount() {
        return dataTree.getNodeCount();
    }

    @Override
    public long approximateDataSize() {
        return dataTree.approximateDataSize();
    }

    @Override
    public int countEphemerals() {
        return dataTree.getEphemeralsCount();
    }

    @Override
    public int getWatchCount() {
        return dataTree.getWatchCount();
    }

    @Override
    public String getName() {
        return "InMemoryDataTree";
    }

    @Override
    public boolean isHidden() {
        return false;
    }

    @Override
    public String getLastZxid() {
        return "0x" + Long.toHexString(dataTree.lastProcessedZxid);
    }

}
